Quote:
Originally Posted by daw_two
Does the Aux Water Pump exist on w126s? I was under the hood last night due the ohm check of my glowplugs and forgot to look. I'm having an interesting heat situation.....like my heater does not warm up like Elegant Madame did. MonoValve, maybe? It's like ...the air is barely not "outside air" temp; turn the fan to low....and then all of sudden the blower air is VERY hot.
Bumps in the road can be helpful to these old cars.
Speaking of glow plugs, Coda has good news and bad news --- I get to take all 6 back to AutoPlace; hers all ohm out fine; so the rough starting issue is something else. Ugh. I love driving an old Mercedes.
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Yes, the W126 does have one. Its beneath the monovalve behind the firewall (near the battery). Your lack of heat at higher speeds is a torn monovalve diaphram. Order the repair kit and replace it. Cost $25-30ish....time to replace: about 5 minutes. Reward: full heat!
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